SafePlants

Zizotes Milkweed (Asclepias oenotheroides)

Zizotes Milkweed, scientifically known as Asclepias oenotheroides, is also commonly referred to as Hierba de Zizotes, Longhorn Milkweed, Side-cluster Milkweed, Primrose Milkweed, and Lindheimer's Milkweed. It is sometimes simply called Zizotes.

Considerations for Pets

• As a milkweed, it may contain sap or other substances that could be a concern for pets if ingested.

Taxonomy and Nomenclature

• Scientific Name: Asclepias oenotheroides Cham. &amp Schltdl.
• Family: Apocynaceae (Formerly: Asclepiadaceae), commonly known as the Milkweed Family.
• Subfamily: Asclepiadoideae

Distribution and Habitat

• Zizotes Milkweed can be found in sandy and rocky prairies and fields.
• Specific locations mentioned include Texas, particularly Washington-on-the-Brazos State Historic Site.
• It also grows in a more southern region that borders Kentucky.

Ecological Role

• This milkweed species is crucial to the life cycle of the Monarch butterfly, as female monarchs exclusively lay their eggs on milkweed plants.
• The plant's population has been declining in the US due to changing land management practices.

Morphological Characteristics

• The flower of this species is described as unique among milkweeds.

Interactions with Other Organisms

• Monarch butterfly caterpillars feed exclusively on milkweed plants, including Zizotes Milkweed.
• It attracts bumble bees.

Additional Information

• Dave's Garden is mentioned as a resource for gardening tips and ideas.
• Discover Life has a page dedicated to the biology, natural history, ecology, identification, and distribution of Asclepias oenotheroides.
• The University of Georgia holds images of the plant's flowers and foliage taken by Karan A. Rawlins.